71320821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2003}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 113121792

約数和(自身を除く): 41800971

約数列:

[1, 3, 11, 13, 33, 39, 83, 143, 249, 429, 913, 1079, 2003, 2739, 3237, 6009, 11869, 22033, 26039, 35607, 66099, 78117, 166249, 286429, 498747, 859287, 1828739, 2161237, 5486217, 6483711, 23773607, 71320821]

約数ペア:

[(1, 71320821), (3, 23773607), (11, 6483711), (13, 5486217), (33, 2161237), (39, 1828739), (83, 859287), (143, 498747), (249, 286429), (429, 166249), (913, 78117), (1079, 66099), (2003, 35607), (2739, 26039), (3237, 22033), (6009, 11869)]